When to Plant Ruby Grass in Wilsonville, OR

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant ruby grass in Wilsonville by reviewing the USDA zone info.


Planting Calendar for Ruby Grass

Frost tolerance for ruby grass: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

You can plant ruby grass slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant ruby grass
Possibly ok, but a risky time to plant ruby grass
Probably not a good time to plant ruby grass

The earliest that you can plant ruby grass in Wilsonville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant ruby grass and expect a good harvest is probably August. Any later than that and your ruby grass may not have a chance to grow to maturity. If you are starting your ruby grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Wilsonville the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Wilsonville is just an average the actual date of last frost is different every year. Since half of the time in Wilsonville last frost occurs after March 15 be ready to cover your ruby grass in the event of one of those late frosts.

USDA Zone Info for Wilsonville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Wilsonville

You may be interested in your other planting guides for Wilsonville.